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Cheap flights from Portland to Melbourne Airport from $833

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MEL
28 May — 4 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portland to Melbourne

Enter your travel dates to find the best prices.

Cheapest flights from Portland to Melbourne
Explore the most affordable flight options available from Portland to Melbourne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 April 2026.

Mon 8/606:37
PDX
-
MEL
1 stop29h 23m
American Airlines
Mon 15/609:45
MEL
-
PDX
1 stop29h 42m
American Airlines
Deal found 24/4$1,492
Fri 8/506:00
PDX
-
MEL
1 stop30h 00m
American Airlines
Thu 21/509:45
MEL
-
PDX
1 stop22h 12m
American Airlines
Deal found 25/4$1,506
Mon 4/511:48
PDX
-
MEL
2 stops25h 57m
American Airlines
Tue 12/509:45
MEL
-
PDX
2 stops24h 00m
American Airlines
Deal found 24/4$1,513
Tue 4/818:03
PDX
-
MEL
1 stop21h 12m
United Airlines
Tue 18/810:55
MEL
-
PDX
1 stop18h 12m
United Airlines
Deal found 28/4$1,521
Sat 25/707:00
PDX
-
MEL
1 stop30h 45m
American Airlines
Fri 21/809:45
MEL
-
PDX
2 stops24h 06m
American Airlines
Deal found 27/4$1,523
Thu 15/1014:30
PDX
-
MEL
1 stop22h 15m
Multiple Airlines
Thu 19/1123:15
MEL
-
PDX
1 stop31h 10m
Multiple Airlines
Deal found 25/4$1,534
Wed 10/606:37
PDX
-
MEL
1 stop29h 23m
American Airlines
Wed 17/614:30
MEL
-
PDX
2 stops24h 57m
American Airlines
Deal found 28/4$1,545
Thu 1/1013:33
PDX
-
MEL
2 stops24h 12m
American Airlines
Wed 14/1017:35
MEL
-
PDX
2 stops21h 34m
American Airlines
Deal found 26/4$1,546

Find flight deals from Portland to Melbourne

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Melbourne (MEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 April 2026.

Round-trip from

$1,492

One-way from

$833

Popular in

October

Cheapest in

June

Average price

$1,826
American Airlines
  • American Airlines
  • 8/6-15/6
  • 2 total stops
  • 59h 05m total
  • Portland to Melbourne
Search Deals
Delta
  • Delta
  • 2/9
  • 1 total stop
  • 28h 50m total
  • Portland to Melbourne
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($312 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($93 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portland to Melbourne that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 28 April 2026.
Use the filters below to find and compare flights from Portland to Melbourne Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 28/7

18:03-08:15

1 stop21h 12m

Melbourne

Mon 10/8

10:55-12:08

1 stop18h 13m

$1,521
Fastest return journey

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 8/5

19:45-08:15

1 stop19h 30m

Melbourne

Thu 21/5

10:55-12:09

1 stop18h 14m

$1,521

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 4/8

18:03-08:15

1 stop21h 12m

Melbourne

Tue 18/8

10:55-12:07

1 stop18h 12m

$1,521

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 9/6

11:05-08:15

2 stops28h 10m

Melbourne

Tue 16/6

10:55-12:08

1 stop18h 13m

$1,528

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 2/7

17:08-12:40

2 stops26h 32m

Melbourne

Wed 22/7

09:45-16:38

1 stop23h 53m

$1,559
Cheapest one-way

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 2/9

10:00-07:50

1 stop28h 50m

$833

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 2/9

06:35-06:45

1 stop31h 10m

$835

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 2/9

18:50-12:00

2 stops24h 10m

$904

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 24/10

14:30-12:25

2 stops27h 55m

$910

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 23/10

13:00-08:50

1 stop25h 50m

$911

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 13 resultsSorted by cheapest first
1
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Best time to book a flight from Portland to Melbourne

Have a flexible travel schedule? Discover the best time to fly to Melbourne from Portland with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Melbourne Airport

What is the cheapest month to book a flight from Portland to Melbourne Airport?

Currently, June is the cheapest month in which you can book a flight from Portland to Melbourne Airport (average of $1,350). Flying from Portland to Melbourne Airport in October is currently the most expensive (average of $2,462). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Portland to Melbourne Airport?

Related info for your journey

Find useful and relevant information for your journey from Portland to Melbourne. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Melbourne?

    Located just 9.7 km from the city centre, Portland is the airport most travellers will use when flying to Melbourne from Portland. Booking flights from Portland (PDX) to Melbourne should be relatively easy as there are 0 daily outbound flights to Melbourne from 0 different airlines.

  • How long is the flight from Portland to Melbourne Airport?

    A quick flight from Portland to Melbourne Airport can take about 21h 12m. United Airlines provides one of the quickest options available for as low as $1,521. There are 13053 km between Portland and Melbourne Airport.

  • Can I find deals for flights from Portland to Melbourne that include hotel bookings?

    Yes. In addition to deals on Portland to Melbourne flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portland to Melbourne?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Melbourne.

  • Can I find deals for business class flights from Portland to Melbourne?

    Yes. Cheapflights offers flight deals from Portland to Melbourne by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Melbourne Airport?

    Currently, June is the cheapest month in which you can book a flight from Portland to Melbourne Airport (average of $1,350). Flying from Portland to Melbourne Airport in October is currently the most expensive (average of $2,462). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Melbourne Airport?

Book flights to Melbourne Airport if you plan to visit one of these locations
Dandenong
Geelong
Ballarat
Apollo Bay
Lorne
St Kilda
Tullamarine
Shepparton
Phillip Island
Sorrento
Torquay
Daylesford
Mornington
Brighton

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How does Cheapflights help users find flights from Portland to Melbourne?

Cheapflights makes it easy to find Portland to Melbourne flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Portland to Melbourne?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Melbourne from Portland.

Can Cheapflights find flights from Portland to Melbourne with no change fees?

Yes, we can. To see specific flights from Portland to Melbourne with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Portland to Melbourne become cheaper?

Yes! Start tracking prices for Portland to Melbourne flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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